Bullish tech stack

Bullish builds mostly with Java, Python, SQL, TypeScript. Its stack also includes GCP, Kubernetes, PostgreSQL, BigQuery. GCP is named in 13 of the 24 job postings Bullish published in the last 12 months (54%). Counted by Alion from the job postings of Bullish, updated Sep 28, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 28, 2026
Technologies in use
90
Postings analysed
24
Open now
19
Modernity
85 /100
New in 6 months
7

What programming languages does Bullish use?

Java is named in 46% of job postings at Bullish, followed by Python (29%), SQL (21%), TypeScript (21%).

Java 11 46% required in 100% · 9 open now · since May 2026
Python 7 29% required in 100% · 6 open now · since May 2026
SQL 5 21% required in 80% · 4 open now · since May 2026
TypeScript 5 21% required in 60% · 4 open now · since May 2026
Kotlin 3 13% optional · 3 open now · since Aug 2026
C++ 2 8% required in 100% · 2 open now · since Sep 2026
Node JS 2 8% required in 100% · 1 open now · since May 2026
Rust 2 8% required in 100% · 2 open now · since Sep 2026
Show all (11)
JavaScript2
Bash1
Solidity1

What frameworks and libraries does Bullish use?

Micronaut is named in 17% of job postings at Bullish, followed by Next.js (8%), React.js (8%), React Native (8%).

Micronaut 4 17% required in 100% · 3 open now · since Jul 2026
Next.js 2 8% required in 100% · 1 open now · since May 2026
React.js 2 8% required in 50% · 1 open now · since May 2026
React Native 2 8% optional · 1 open now · since May 2026
JUnit 1 4% required in 100% · 1 open now · since Aug 2026
LangChain 1 4% required in 100% · 1 open now · since Aug 2026
Lottie 1 4% required in 100% · 1 open now · since Sep 2026
Mockito 1 4% required in 100% · 1 open now · since Aug 2026
Show all (10)
Playwright1
pgvector1

What databases does Bullish use?

PostgreSQL is named in 21% of job postings at Bullish, followed by BigQuery (17%), Google BigQuery (17%), Redis (13%).

PostgreSQL 5 21% required in 80% · 5 open now · since Jul 2026
BigQuery 4 17% required in 50% · 4 open now · since Jul 2026
Google BigQuery 4 17% required in 50% · 4 open now · since Jul 2026
Redis 3 13% required in 67% · 3 open now · since Jul 2026
Snowflake 3 13% optional · 3 open now · since Jul 2026
Pinecone 1 4% optional · 1 open now · since Jul 2026
Qdrant 1 4% optional · 1 open now · since Jul 2026

What cloud and platforms does Bullish use?

GCP is named in 54% of job postings at Bullish, followed by Kubernetes (46%), Apache Kafka (25%), AWS (25%).

GCP 13 54% required in 62% · 11 open now · since May 2026
Kubernetes 11 46% required in 73% · 9 open now · since May 2026
Apache Kafka 6 25% required in 83% · 5 open now · since Jul 2026
AWS 6 25% required in 67% · 5 open now · since May 2026
Linux 5 21% required in 100% · 4 open now · since May 2026
Azure 4 17% required in 100% · 3 open now · since May 2026
RabbitMQ 3 13% required in 100% · 2 open now · since Aug 2026
Databricks 3 13% optional · 3 open now · since Jul 2026
Show all (24)
GitHub2
Superset2
Tableau2
Figma1
GitHub Actions1
Google Cloud Run1
Okta1
OpenAI1
Rive1
SIEM1
Unix1
Vertex AI1
Auth01
Expo1
Framer1
Vercel1

What developer tools does Bullish use?

Docker is named in 46% of job postings at Bullish, followed by Kong (21%), Git (13%), Terraform (13%).

Docker 11 46% required in 64% · 10 open now · since Jul 2026
Kong 5 21% required in 100% · 4 open now · since Jun 2026
Git 3 13% required in 100% · 3 open now · since Aug 2026
Terraform 3 13% required in 67% · 2 open now · since May 2026
Rest API 2 8% required in 100% · 2 open now · since Sep 2026
Adobe After Effects 1 4% required in 100% · 1 open now · since Sep 2026
Claude Code 1 4% required in 100% · 1 open now · since Sep 2026
Lovable 1 4% required in 100% · 1 open now · since Jul 2026
Show all (10)
Maestro1
Microsoft Excel1

What AI and ML technologies does Bullish use?

LLM is named in 29% of job postings at Bullish, followed by Claude (21%), Midjourney (4%).

LLM 7 29% required in 100% · 3 open now · since May 2026
Claude 5 21% required in 100% · 5 open now · since Jul 2026
Midjourney 1 4% optional · 1 open now · since Sep 2026

Which engineering practices does Bullish ask for?

CI/CD is named in 33% of job postings at Bullish, followed by AI Agents (25%), Agentic Workflows (17%), DeFi (17%).

CI/CD 8 33% required in 100% · 6 open now · since May 2026
AI Agents 6 25% required in 100% · 2 open now · since May 2026
Agentic Workflows 4 17% required in 100% · 2 open now · since May 2026
DeFi 4 17% required in 100% · 3 open now · since Jun 2026
Prompt Engineering 3 13% required in 100% · 2 open now · since Aug 2026
Smart Contracts 3 13% required in 100% · 1 open now · since May 2026
DNS 2 8% required in 100% · 2 open now · since Sep 2026
PKI 2 8% required in 100% · 2 open now · since Sep 2026
Show all (19)
Platform Engineering2
RAG2
Twelve-Factor App2
eBPF2
A/B Testing1
Function Calling1
Incident Management1
Liquid Staking1
Progressive Delivery1
Tokenization1
Tool Use1

What other technologies does Bullish use?

Aave is named in 4% of job postings at Bullish, followed by Ethereum (4%), Morpho (4%), Solana (4%).

Aave 1 4% required in 100% · 1 open now · since Jul 2026
Ethereum 1 4% required in 100% · 1 open now · since Sep 2026
Morpho 1 4% required in 100% · 1 open now · since Jul 2026
Solana 1 4% required in 100% · 1 open now · since Sep 2026
Sui 1 4% required in 100% · 1 open now · since Sep 2026
Uniswap 1 4% required in 100% · 1 open now · since Jul 2026

What does each Bullish team work with?

The technologies each team's postings require most often, with the number of postings that require them.

Backend

6 postings
Claude4
PostgreSQL4
Java3
TypeScript3
Apache Kafka2
BigQuery2

Industrial Engineering

5 postings
Docker5
Java5
Kubernetes5
Apache Kafka3
Git3
LLM3

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How much does Bullish pay by technology?

Median stated pay of the postings that name each technology, against the median of all Bullish postings with stated pay: $245k across 12 postings.

TechnologyPostings with payMedianvs company median
GCP6$255k+4%
Kubernetes5$235k−4%

How is the Bullish stack changing?

Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.

First appeared
C++Sep 2026
DNSSep 2026
PKISep 2026
Rest APISep 2026
RustSep 2026
Prompt EngineeringAug 2026
RabbitMQAug 2026

How modern is the Bullish stack?

Cutting-edge AI adopter 85/100

Bullish scores 85 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 3; legacy ones: 0.

How common is the Bullish stack in its industry?

Share of the 196 companies in the same industries, whose stack Alion knows, that use each technology.

GCP28%
Java27%
Kubernetes33%
LLM27%
Python53%
AWS41%
Apache Kafka21%
Claude22%
Linux22%
PostgreSQL31%

What sets Bullish apart

Micronaut1%

Questions about the Bullish tech stack

What programming languages does Bullish use?

The languages named in Bullish job postings are Java (46%), Python (29%), SQL (21%), TypeScript (21%), Kotlin (13%), as a share of the 24 postings of the last 12 months.

Does Bullish use Micronaut?

Yes. Micronaut is named in 4 of 24 job postings (17%) and required in 4 of them.

What cloud and platforms does Bullish use?

The cloud and platforms named in Bullish job postings are GCP (13), Kubernetes (11), Apache Kafka (6) (postings in brackets).

What skills do you need for a Backend job at Bullish?

Backend postings at Bullish most often require Claude (4), PostgreSQL (4), Java (3), TypeScript (3), out of 6 postings in the last 12 months.

Is the Bullish tech stack changing?

Yes. C++, DNS, PKI, Rest API first appeared in Bullish job postings in the last six months.

How modern is the Bullish tech stack?

Bullish scores 85 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 3; legacy ones: 0.

How does Alion know the Bullish tech stack?

Alion reads every job posting Bullish publishes and tags the technologies each one names. The figures on this page count the 24 postings of the last 12 months and were updated on Sep 28, 2026.

Method and citation

Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count

Alion, "Bullish tech stack: 90 technologies from 24 job postings", as of Sep 28, 2026. https://alion.io/company/bullish/technologies

Licence: CC BY-SA 4.0JSON